19131518

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1013}}^1$

素因数の和:1112

約数の個数: 32

約数和(自身を含む): 35043840

約数和(自身を除く): 15912322

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 994, 1013, 1349, 2026, 2698, 7091, 9443, 14182, 18886, 19247, 38494, 71923, 134729, 143846, 269458, 503461, 1006922, 1366537, 2733074, 9565759, 19131518]

約数ペア:

[(1, 19131518), (2, 9565759), (7, 2733074), (14, 1366537), (19, 1006922), (38, 503461), (71, 269458), (133, 143846), (142, 134729), (266, 71923), (497, 38494), (994, 19247), (1013, 18886), (1349, 14182), (2026, 9443), (2698, 7091)]